mirror of https://git.ffmpeg.org/ffmpeg.git
85 lines
2.5 KiB
NASM
85 lines
2.5 KiB
NASM
;*****************************************************************************
|
|
;* x86-optimized functions for maskedmerge filter
|
|
;*
|
|
;* Copyright (C) 2015 Paul B Mahol
|
|
;*
|
|
;* This file is part of FFmpeg.
|
|
;*
|
|
;* FFmpeg is free software; you can redistribute it and/or
|
|
;* modify it under the terms of the GNU Lesser General Public
|
|
;* License as published by the Free Software Foundation; either
|
|
;* version 2.1 of the License, or (at your option) any later version.
|
|
;*
|
|
;* FFmpeg is distributed in the hope that it will be useful,
|
|
;* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
;* Lesser General Public License for more details.
|
|
;*
|
|
;* You should have received a copy of the GNU Lesser General Public
|
|
;* License along with FFmpeg; if not, write to the Free Software
|
|
;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
;*****************************************************************************
|
|
|
|
%include "libavutil/x86/x86util.asm"
|
|
|
|
SECTION_RODATA
|
|
|
|
pw_127: times 8 dw 127
|
|
pw_255: times 8 dw 255
|
|
pw_32897: times 8 dw 32897
|
|
|
|
SECTION .text
|
|
|
|
INIT_XMM sse2
|
|
%if ARCH_X86_64
|
|
cglobal maskedmerge8, 8, 11, 8, bsrc, osrc, msrc, dst, blinesize, olinesize, mlinesize, dlinesize, w, h, x
|
|
mov wd, dword wm
|
|
mov hd, dword hm
|
|
%else
|
|
cglobal maskedmerge8, 5, 7, 8, bsrc, osrc, msrc, dst, blinesize, w, x
|
|
mov wd, r8m
|
|
%define olinesizeq r5mp
|
|
%define mlinesizeq r6mp
|
|
%define dlinesizeq r7mp
|
|
%define hd r9mp
|
|
%endif
|
|
mova m4, [pw_255]
|
|
mova m5, [pw_127]
|
|
mova m7, [pw_32897]
|
|
pxor m6, m6
|
|
add bsrcq, wq
|
|
add osrcq, wq
|
|
add msrcq, wq
|
|
add dstq, wq
|
|
neg wq
|
|
.nextrow:
|
|
mov xq, wq
|
|
|
|
.loop:
|
|
movh m0, [bsrcq + xq]
|
|
movh m1, [osrcq + xq]
|
|
movh m3, [msrcq + xq]
|
|
mova m2, m4
|
|
punpcklbw m0, m6
|
|
punpcklbw m1, m6
|
|
punpcklbw m3, m6
|
|
psubw m2, m3
|
|
pmullw m2, m0
|
|
pmullw m1, m3
|
|
paddw m1, m2
|
|
paddw m1, m5
|
|
pmulhuw m1, m7
|
|
psrlw m1, 7
|
|
packuswb m1, m1
|
|
movh [dstq + xq], m1
|
|
add xq, mmsize / 2
|
|
jl .loop
|
|
|
|
add bsrcq, blinesizeq
|
|
add osrcq, olinesizeq
|
|
add msrcq, mlinesizeq
|
|
add dstq, dlinesizeq
|
|
sub hd, 1
|
|
jg .nextrow
|
|
RET
|